A tall man. Lock F.

They simply told the story, but got a nightmare.

In the beginning, it seemed to be a city bike, a horror story about a tall man to whom the children scared each other. But Sadie and her friends were obsessed with her. And the darkness felt this.

years later, the daughter of Sadie Embber was accused of a shocking murder. How could a girl commit such a terrible crime?

Sadie understands that the secrets of her past are pursuing Amber. The frightening truth about what happened many years ago is about to open...